Pocket Watch Database
Patent Archive
#3535869
Patent Information
Watch Stem Water Tight
Conrad Jean-jacques Zellweger
Jules Strigini
October 27, 1970
Patent #3535869
| Patent Number: | 3535869 |
| Category: | Stem Mechanisms |
| Description: | Watch Stem Water Tight |
| Inventor(s): |
Conrad Jean-jacques Zellweger Jules Strigini |
| Assignee: | La Nationale S A |
| Patent Date: | Oct 27, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
